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Review of molecular parts argues useful applications coming

Foresight Update 28.09—September 9, 2015
ISSN 1078-9731

Nanotech News

Discuss these news stories at http://foresight.org/nanodot.

In this issue:

Overview of molecular machines documents recent progress

Since advanced nanotechnology will be primarily about complex systems of artificial molecular machines, it is very nice to see the journal Nature begin the month with a very useful overview of molecular machines, presented as a News Feature …

Nanotechnology provides sensors for liver-on-chip drug testing

One of the indirect ways in which nanotechnology is impacting medical research, in synergy with biotechnology, is by enabling a “liver-on-chip” replacement for animal testing. …

Macroscopic mechanical manipulation controls molecular machine array

Current nanotechnology is about nanomaterials, nanodevices, and simple molecular machines. Advanced nanotechnology will largely be about complex systems of artificial molecular machines, rather as life can be described as complex systems of biological molecular machines. So any new insight about molecular machines is of potential interest as a signpost toward advanced nanotechnology. …

Femtosecond imaging with near nanometer spatial resolution

As we noted back in April, Richard Feynman in his classic 1959 talk challenged his fellow physicists to make the electron microscope 100 times better. A “new super powerful electron microscope that can pinpoint the position of single atoms” had been unveiled at a facility in the UK. While that SuperSTEM is one of only three in the world, a recently demonstrated technology based upon “tabletop extreme-ultraviolet ptychography” brings complementary nanometer-scale resolution to a much smaller (and presumably less expensive) instrument. …

A tunable bandgap by doping a few atomic layers of black phosphorous

The process of finding novel arrangements of atoms with interesting and useful properties does not appear to be slowing. A hat tip to ScienceDaily for reprinting this news release from the Institute for Basic Science, Korea …

Novel wireframe nanostructures from new DNA origami design process

The scaffolded DNA origami technique has been extended to build complex, programmable wireframe structures exhibiting precise control of branching and curvature. …

Conference video: Artificial Biochemistry with DNA

The fourth speaker at the Commercial Scale Devices – Part 2 session, the winner of the 2012 Feynman Prize for Theoretical work, David Soloveichik, presented his prize-winning work “Artificial Biochemistry with DNA” https://vimeo.com/62119584 – video length 29:14. Dr. Soloveichik began his talk by asking if we could recapitulate the feats of biology, specifically computation with networks of molecular interactions, with de novo engineering. …

Another nanotechnology computer memory breakthrough from Feynman Prize winner

One prominent area in which nanoscale science and technology is providing a rich pipeline feeding current and near-term improvements in technology is computer hardware, and in particular, solid-state computer memories. One year ago, we cited a breakthrough nanoporous silicon oxide technology for resistive random-access memory (RRAM) developed by the research group of James Tour, winner of the 2008 Foresight Institute Feynman Prize in the Experimental category. Now he appears to have topped this memory architecture with another memory breakthrough. …

—Nanodot posts by James Lewis

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